Lululemon Run: Swiftly Tech Half Zip long sleeve top in a black and grey micro-stripe pattern. This athletic pullover features a mock neck with a quarter-zip closure and breathable mesh paneling along the back and underarms for optimal ventilation during workouts. Designed with a slim, contoured fit and thumbholes at the cuffs to keep sleeves in place, it offers a lightweight and moisture-wicking feel perfect for running or training. The signature reflective logo is located on the back hip.